287998971

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1709}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 430920000

約数和(自身を除く): 142921029

約数列:

[1, 3, 13, 29, 39, 87, 149, 377, 447, 1131, 1709, 1937, 4321, 5127, 5811, 12963, 22217, 49561, 56173, 66651, 148683, 168519, 254641, 644293, 763923, 1932879, 3310333, 7384589, 9930999, 22153767, 95999657, 287998971]

約数ペア:

[(1, 287998971), (3, 95999657), (13, 22153767), (29, 9930999), (39, 7384589), (87, 3310333), (149, 1932879), (377, 763923), (447, 644293), (1131, 254641), (1709, 168519), (1937, 148683), (4321, 66651), (5127, 56173), (5811, 49561), (12963, 22217)]